Programmble Thermostat THM301M Bronze Backlit LCD clock display shows temperature, day, hour, and minute. Choose between a 12 or 24 format. Displays temperature reading in Celcius or Fahrenheit. Pre-comfort Recovery. Built-in protection for air conditioner compressor. Interfaces with most pre-existing heating and air conditioning systems. Simply to install and set, and the UPM Programmable Thermostat upgrade your existing furnace, heater, and/or air condition.